1.Companies of beautiful birds __________ on the electric cable wires every afternoon.
1 point
A. perch
B. perched
C. perching
D. will perch
2.A pair of golden scissors ________ much and is very valuable.
1 point
A. cost
B. costs
C. will cost
D. is costing
3.The gardener as well as the tree growers _______ a seminar in plant culture last week.
1 point
A. Attend
B. Attends
C. Attended
D. Are attending
4.Someone ______ to fix the floor to avoid accident in the school.
A. has
B. have
C. are
D. had
5.A kilometer-run daily _____ in developing our muscles and stamina
A. help
B. helps
C. helped
D. will help